Question

Anu's mother is four times as old as Anu. After 5 year her mother will be three times as old as she be then find theor present age.
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Answer 1

The present age of Anu is 10 years and the present age of Anu's mother is 40 years.

Step-by-step explanation:

Given:

The present age of Anu's mother is  4 times the age of Anu.

After 5 years, the age of Anu's mother  will be three times as old as Anu's age.

To find:

The present age of Anu and her mother.

Solution:

Let the present age of Anu is  p years,

As given,the present age of Anu's mother is  4 times the age of Anu.

Then the present age of Anu's mother = 4 p years.

As given,after 5 years,After 5 years, the age of Anu's mother  will be three times as old as Anu's age.

$4p+5=3(p+5)$

$4p+ 5 =3 p + 15$

$p=10$

$p=10 \ years$

The present age of Anu's mother will be $=4p=4\times10$

                                                                            $=40 \ years$

Thus,the present age of Anu is 10 years and the present age of Anu's mother is 40 years.

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Answer 2

The given question is Anu's mother is four times as old as Anu. After 5 year her mother will be three times as old as she be then find the present age.

Age of Anu's mother is four times as old as Anu.

After 5 years, the age of anu's mother will be 3 times as old as Anu.

we have to find what is the present age of Anu and her mother.

Let the present age of Anu be x years.

It is given that age of Anu's mother is 4 times the anu's age.

therefore, the present age of Anu's mother is 4x years.

It is also given that 5 years later, the age of anu's mother is 3 times the anu's age.

The expression of the above sentence will be.

4x+5=3(x+5)

$4x + 5 = 3(x + 5) \\ 4x + 5 = 3x + 15 \\ 4x - 3x = 15 - 5 \\ x = 10$

The age of Anu is obtained as 10.Then the age of Anu's mother will be 4(x) =4(10) =40.

Therefore, the age of Anu's mother is 40.

Thus the final answer is, the present age of Anu is 10 and the present age of anu's mom is 40.

#spj3

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https://brainly.in/question/29071671?referrer=searchResults